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Secunia Advisory SA11532

Opera Browser Address Bar Spoofing Vulnerability

Secunia Advisory

SA11532

Release Date

2004-05-13

Last Update

2005-07-26

Popularity

34,747 views

Comments

0 comments

Criticality level

Less critical

Impact

Spoofing

Where

From remote

Authentication level

Available in Customer Area

Report reliability

Available in Customer Area

Solution Status

Vendor Patch

Systems affected

Available in Customer Area

Approve distribution

Available in Customer Area

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Software:

Opera 7.x

Secunia CVSS Score

Available in Customer Area

CVE Reference(s)

CVE-2004-2260 CVSS available in Customer Area

Description

Secunia Research has discovered a vulnerability in the Opera browser, which can be exploited by malicious people to fake (spoof) information displayed in the address bar.

The vulnerability is caused due to the Opera browser changing information in the address bar as soon as the browser is "asked" to redirect to a new page. However, using e.g. the <BODY> tag attribute "onUnload", it is possible to abort the redirection without the address bar being changed back.

This can be exploited by a malicious website to trick users into thinking that they're on another website.

The vulnerability has been confirmed in version 7.23 for Windows and Linux. Prior versions may also be affected.

Solution
Update to version 7.50.
Further details available in Customer Area

Provided and/or discovered by
Jakob Balle, Secunia Research.

Changelog
Further details available in Customer Area

Original Advisory
Secunia Research:
http://secunia.com/secunia_research/2004-2/advisory/

Deep Links
Links available in Customer Area

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Opera Browser Address Bar Spoofing Vulnerability

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Secunia

Secunia Advisory SA11532

Opera Browser Address Bar Spoofing Vulnerability

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